<template>
	<view v-if="goods_info.goods_name">
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
		  <swiper-item v-for="(item, i) in goods_info.pics" :key="i">
		    <image :src="item.pics_big" @click="preview(i)"></image>
		  </swiper-item>
		</swiper>
		<view class="goods-info-box">
		  <view class="price">￥{{goods_info.goods_price}}</view>
		  <view class="goods-info-body">
		    <view class="goods-name">{{goods_info.goods_name}}</view>
		    <view class="favi">
		      <uni-icons type="star" size="18" color="gray"></uni-icons>
		      <text>收藏</text>
		    </view>
		  </view>
		  <view class="yf">快递：免运费</view>
		</view>
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		<view class="goods_nav">
			<uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick" @buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import { mapState, mapMutations, mapGetters} from 'vuex'
	export default {
		computed: {
			...mapState('m_cart', []),
			...mapGetters('m_cart', ['total']) 
		},
		watch: {
			// total(newVal) {
			// 	const findResult = this.options.find(x => x.text === '购物车')
			// 	if(findResult) {
			// 		findResult.info = newVal
			// 	}
			// }
			total: {
				handler(newVal) {
						const findResult = this.options.find(x => x.text === '购物车')
						if(findResult) {
							findResult.info = newVal
						}
				},
				immediate: true
			}
		},
		data() {
			return {
				goods_info: {},
				options: [{
				      icon: 'shop',
				      text: '店铺'
				    }, {
				      icon: 'cart',
				      text: '购物车',
				      info: 0
				    }],
				    buttonGroup: [{
				        text: '加入购物车',
				        backgroundColor: '#ff0000',
				        color: '#fff'
				      },
				      {
				        text: '立即购买',
				        backgroundColor: '#ffa200',
				        color: '#fff'
				      }
				    ]
			};
		},
		onLoad(options) {
			const goods_id = options.goods_id
			  this.getGoodsDetail(goods_id)
		},
		methods:{
			...mapMutations('m_cart', ['addToCart']),
			 async getGoodsDetail(goods_id) {
			    const { data: res } = await uni.$http.get('/api/public/v1/goods/detail', { goods_id })
			    if (res.meta.status !== 200) return uni.$showMsg()
				res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g, '<img style="display:block;"').replace(/webp/g, 'jpg')
			    this.goods_info = res.message
			  },
			  preview(i) {
				  uni.previewImage({
				  	current: i,
					urls: this.goods_info.pics.map(x => x.pics_big)
				  })
			  },
			  onClick(e) {
				  if(e.content.text === '购物车'){
					  uni.switchTab({
					  	url: '/pages/cart/cart'
					  })
				  }
			  },
			  buttonClick(e) {
			     if (e.content.text === '加入购物车') {
			        const goods = {
			           goods_id: this.goods_info.goods_id,       
			           goods_name: this.goods_info.goods_name,   
			           goods_price: this.goods_info.goods_price, 
			           goods_count: 1,                           
			           goods_small_logo: this.goods_info.goods_small_logo, 
			           goods_state: true                         
			  }
			        this.addToCart(goods)
			  
			     }
			  }
		}
	}
</script>

<style lang="scss">
swiper {
  height: 750rpx;

  image {
    width: 100%;
    height: 100%;
  }
}
.goods-info-box {
  padding: 10px;
  padding-right: 0;

  .price {
    color: #c00000;
    font-size: 18px;
    margin: 10px 0;
  }

  .goods-info-body {
    display: flex;
    justify-content: space-between;

    .goods-name {
      font-size: 13px;
      padding-right: 10px;
    }

    .favi {
      width: 120px;
      font-size: 12px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      border-left: 1px solid #efefef;
      color: gray;
    }
  }


  .yf {
    margin: 10px 0;
    font-size: 12px;
    color: gray;
  }
}
.goods-detail-container {
  padding-bottom: 50px;
}

.goods_nav {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
}
</style>
